

<?php

 $id=(isset($_GET['id']))?$_GET['id']:0;
 require 'dbcon.php';
 $sql="delete from tb_note where id={$id}";
 $rs=$db->query($sql);
 if ($rs==true)      //根据返回结果，做不同的响应
{   
    header("Location:index.php");//直接跳转
}
else
{
    // JavaScript弹出对话框跳转

    echo "<script language='javascript'>";

    echo "alert('删除失败！');";
    echo "window.location.href='index.php';";
    echo "</script>";
}
$db->close();
 